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A comparison of churn and diamond drilling in the Quijotoa mining district, Pima county, Arizona

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Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/311429
Date January 1917
CreatorsArozena, Joe de
PublisherThe University of Arizona.
Source SetsUniversity of Arizona
Languageen_US
Detected LanguageEnglish
Typetext, Thesis-Reproduction (electronic)
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.

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